Branch connecter for fibrous conduits



June 24, 1930. H. PARKER BRANCH CONNECTER FoRF-IERQUS CoNnuITs 2 lsheets-sham 1 Filed July 14, 1925 June 24, 1930.

H. PARKEVR rcoN'DUITs I 2 Sheets-Sheet 2 Filed July 14, 1925 Patented June 2 4, 1930 I l k1 yUN'iElD ATESH;

HOWARD PARKENQOF BERLIN, NEW rmi/treinen, AssreNOR To' BROWN Coi'rieA'NY,A

OF BERLIN, NEW HAivirsHiRn, A CORPORATION or' MANE j 1 BRANCH` CONNECTENKYFOR rfiirtous CONnUi'rs ApplicationY med 51115114,

y This invention relatesvtobranch connecters for conduits, and is.l more particularly concerned with connecters made of fibrous material andl adapted forv usek with cyliiidril conduits romthesystem yand, make changes calconduits of the saine material.

l Such conduits or tubesimay'be'd'formed by winding a Iweb of Vcellulose pulp or `a sheet of paper-on a mandrel until a tubel having tice, as inelectric 'wiring systems it re--l quently occursl that it .isv necessary 5to. make branch connections from the main conduit after a system has already been laidfrgSince such systems are usually buried in the ground, inem'aking brancliconnections with theA usual types of branch connecters,- as for eXampleaT or a` +A, it wouldvordinarily be necessary to` disconnect or remove certain inthe removed'conduits priortothe. in sertionof the branch-connecter into" the line.

In such cases, the `conduits must 1be dug outy .rom'tlie ground or removed from the 'tiled f trench and thenlreplaced oriburie'd ,in the ground, such procedure., necessarily being' Y time-consuming and' expensive. Hence .the

primary object of, the presentinvention is to provide a branchv connecter; which may ground vconduit systemwitlioigit the necessity p for the removal or -d'i'sconnection'o any con'- A A This yObjectis attainedgin'afsectionalcon duit unity from .-the system.

necter which may tor convenience of Vdesignationfbe termed a f, snap joint "7 connecter. The connecter in lgeneral constructionV consists of two-complemental', semi-tubularsections, eithery or bothv of whichsmay be prof vided Withbranch' conduits,for with an Vopeningfor the insertion ofa branch conduit,

Land lwliich arel adapted-lto-beuunited or mated tofforina unit tubular connecter.. One? of complemental ther,eto. I v y sectional view similar l y l y A l a somewhat modified typefo'fi assembly., f L. j f

y,Figure illustrates ,one nietliod'voff@ein Y ynecting the branchfconnecter shown infFig-l' yuvres l toiwithaconduit..y

1925. 'serialV No; 43,601.

the sections has lcurved lapping members forming ledges or seats with the longitudi-V nal side edges `oifkfthat section. The inner surfacesor iaces of the lappingmembers are lof a cylindrical curvature equal tothe Outer curvature of the semi-tubular sections, and

the central axis of the curved surfaces is preferably rlocated in a position suchlthatfif its semi-tub`ular section were completedfto form a tube, theV extension .members vrwould intersect such ak complete tube.: In other words, the lappinginembers arefpreferably lslightly eccentric in reference ytothe tubular Y bodynportion so as to exert `a springha'ction against the other section which theyaare` adapted tolap.VV The sections, as stated, are

somewhat springy or resilient, andv may be assembled by forcing them together so that the side edge's'ofv one section rest on the seat of the ysection lprovided ywith the lapping members, which ensures their union. e'

lOn theaccompanying drawings, which Y when taken iny conjunction with the followingdescription give a more complete under# f standing ofL the present' invention, Y

Figure l'y illustrates a through-.a branch connecter..y constructed ficcorvding to the bled condition.

lFigures 2 and 3 show present. invention in assem-` in perspective a conf with the lapping memb Figure i shows in aY to Figure fillustrated iii Figure l lconsistsof'the 'twof'h semi-tubular sections shown indetailJinFigf A, illustrate l vmethods-of joining the connecter to-a con.-

vnecter separated into itscomponent sections,g' respectively showing the sectionprovided ers and ,the section. f

ures Qand. rlhe sectionsliown Figure Q'consists of asemi-tubular Wall l, having a pair of lapping membersi, 5,"O fcylindri.-

Y ico cal curvature, forming with the. longitudinal ledges of the 4section respectively the ledges or `seats 2 and 3. The members 4l' and V5 are of an inside diainetersuicient to permit lap- Y ping of the Ysemi-tubular section 6, and the ledges2 and 3 of thesectioii l areY comple- .mental. to the sideL edges-9 andy 10 on the section 6 shown inFigure 3. The location r of the central axis V,of the members i and: 5

i' the complete tube.

'(ias. showniin. Figurek l at a). and the Width.v of the memberspreferably are such. that'it the semi-tubul`ar surface were completed to fornila tube,jthe members Would-v intersect I However, the longitudinal edges of Vthemember needzvonly. be separated y a sufficient distance to permit the edges'tobe sprung Vaqoart and snapped over the section 6 Without 'being permanently d'eformed;y or; cracked'. "Consequently when Y their: union.

the two sections areV snapped together, lthe `lapping members exert a springaction to .keep the two sections together andv ensure This `is 'diie to'theyr inherent f springine'ssV or resiliency ofi the materiali E itlier'one orlt'iotliitlie4 sections may be pr'oyide'd with openings 'for' thej'insertioii Y of abra'nch conduit as indicated` in Figurer V3. For-example, ahole may .be suitably formedvinv lthe member' 6, inA which a Yibrous cond'uitl@may bev inserted andastened tliereto` by suitable bindingme'aii's as asphalt orcenient. Theconduit l-5 is preferably.- inserted'in themeniber 6 in thefshop, but it' will of'. course beundferstood' that the insel" tion may beniadeon tliejob.

In AFigure 5jI'1have- 'llustrated method of assembling-a branchiconnec'ter ofthe rtype described?,for'instancewithv a main conduit infan underground systeiinl'and at 12' I have s indicated that poi-tion of a @nain YC 11fd1it 0f o VirlCleilite"length in Wl'iichzit isi'desiredto li'nSert a 'branch connection.V vThe main con- `V= vduit is accordiiiglybrolieniiitoatjthepoiiit fin the conduit at,"` which the branch connecl l tion is tobe established, andthe'desiredjsize Y V11,5 Y 1113;' The branchconnecter Vemployed:forthe .purpose4 is of a'nifnside2 diameterL equal. toV

of" opening made indicated ay'rli'ole .y the outside diainel'jerof2 the: .condnit V112. In

` making the connection, ,l the seinir-tubuiar 1 section l offtlie connecter'is appliedfover therk Wal'l of the` conduit'` 12, diaiiietrically oppo'.

-lsite .to the holeflfx'llie other senin-tubular ing iii the sectionj 6 i .and VisfYpreferably '.f'as

A section.

tened theretoas by a suitable binder, Vif not already fastened thereto;

In place of the construction described in Figure l, Iniay employ af.connecter of the*` construction shownfin Figure 4. `According Vto this construction, Athe .lappiiig'rmeinbers QO'and 2l consist rof'lonvitudinal" sections of b atube; of Van inside rdiameter equal `to'the outside; diameter ofthe sections, suitably v, y

'.fastened as by rivetsfQQnear the edges` I3 VYand 14 of one oftlie sections, the inner surface of the members- 2.0.;andr2l `and the longil tudiiial edges 13a and lli'constituting a seat' ton' the: reception. of: the other semi-tubular f Y ing compound, suchv vas pitch, which after set-ting binds the section andl the!membersV irmly together and serves as af moisture-'- proof seal.V VIhetWo sections are assembled With a conduit',- as `has Valready beendeshoWn in Figures l tef'. i'

' f :Ii'r place of.'applyingV theY braiicliconiieeter` over :a conduit YasV illustrated in Vlii'gue 5,:

. abranchjconnection may be vmade by break-` I The -membersare preferably fas-V tened tot-hesemi-tubularsection in the sliep before its impregnation Witha vtf'aterpr'oof'-'V scribed in connection with Ythe construction. i4-

ai@ @Denain two, at ai@ desiredV locaV tion forV a`Y suiiicient portion of itslength',

forming thedesiredftype off `joint :fa-t theV l y K l Y 95 Y ends iormed by Vsuchairbrealrfand at the ends of the connecter sectionsby'`aiiysuite .s

alil'eitool or instrumentality, and finally as;-V i

sembling the connecter With thejendsof thef 100.1

broken conduit. In Figure 6 l'as illustiated aty-pe of conf necter which may be assembledwitlithe ends ofA a broken.conduitand whichl maya/be termed.v socket l jointv connecter. l`As showny inthisA ligure,r the 'connecter'isof? a diameter equaltothe diameter of' the brolreii` A conduit, Vand' its ends are shapedand finished to forni-socket joints-.SOLandBOa' With Athe ends oftlgiebroken conduite Theconnecter is: equalVV in length to the .br'ea-kf iii the conduit-pand isfunitedbetween: theendsl oftlie broken conduit byforcing the* semi-tubular 'Y seeti'onsltogether, abiiider preferably being f appliedatthe areas of? contact of the'coni.. i4 j Y necter: and the conduit and on? the Vsi'irz'ices oittliesochetY joints.,V 'j l Figure-- :7i-I have; illustrated another 'Y form/of fcon'nectionf" VWhichmay 'bease i ysembl'edWith`Y thejends Aoi' la broken. conduit. "'IhisftypeY of. connecter,`- VWhichfinay. betermed` a drives joint connectereis assembledswith f Vthe ends of thebrokenfmain vconduit.being tapered'and vthe endsv 36'V of the: sectionsloi' thel'branclij connecte-r alsojbeingltapfered and Y c'on'iplementalY to' the tapered? ends-35 of? the i types Vof assemblies which: may *beinadefjbe 12s.', shown Vc ert'aiinj preferred tween the i connecter Landiav main conduit,fi`t A I 'Y il",v will ofcourse?berunderstoodthat anyoth'er rtain the sections in suitable assemblies may be made. Moreover,

While I have described only straight cylin-r` drical branch conduitsfas being fitted into the connecters, it will of course be 'understood that a curved branch conduit 6a, as shown in Figure 8, oran inclined'branch conduit 6", as shown in Figure 9may be employed Wherever desired. Y v

Although I preferablyfemploy semi-tubular sections because'of their simple construction and application, andiy have Adescribed branch connecters consisting of only tWo sections,it should be obvious that a branch connecterv mayV befconstructed consisting of a greater plurality of sections, certain of said sections havinglla ping members' for engaging and' holding t e sections'complemental thereto united. Without the use ofY to those skilled in the art that these larevcapable Vof changes and modifications Which lie Within they spirit and. scope of this inmental, resilient, and substantially semi tubular sections, one vof saidsections-haviiig curved lapping members of an inside,V di# ameter suiiicient to permit lapping .of the other section and forming seatsk with' the longitudinal side edges of said section comv plemental to the longitudinal side edges of v said other section, Athe llongitudinal edges of n said members being separated a suiiicient distance to permit the said edges tovbe sprung apart and to snap over the vother section Without being ypermanently Adeformedl or cracked.

In testimony whereof have aiixed my" signature.

HOWARD PARKER',

vention as defined by the appended claims. Y

What I claim isz' l l. A fibrous branch connecter adapted,

'for use in connection With cylindrical fibrous conduits consisting of a pairy of substantially semi-tubular resilient sections adapted to# gether to forma unit tubular connecter, one of said sections having curved lapping members forming ledges With the longitudinal sidel edges of that section and of an inside diameter equal to the outside diameter of i ythe sections, said lapping members being eccentric in reference to their semi-tubular sections', so as to exert a spring action against the section over which they lap.

to permitthe saidedges to be sprung apart and snap over the other section Without being 2. A fibrous branch connecter adapted for use with cylindrical brous conduits, said connecter comprising aV pair of Vcomplemental resilient and substantially seinitubwy j lar sections, 'one' of saidy sections. having 'curved lapping members of an "inside di-v ameterv sufficient to permit' lappingoifv the lother section, they longitudinal edges ofsaid members-being separated a 'suiiicient distance permanentlyv deformed or cracked, and the endsrof` the connecterbeing Vformed to mate with the ends of the conduits With :which it 3. Av fibrous branch connecter adapted for use With cylindrical fibrous conduits, said connecter comprising a pair of compleiso 

